back.h revision 1.6
1 /* $NetBSD: back.h,v 1.6 1997/10/10 08:59:41 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)back.h 8.1 (Berkeley) 5/31/93 36 */ 37 38 #include <sys/types.h> 39 #include <sys/uio.h> 40 41 #include <fcntl.h> 42 #include <signal.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <termios.h> 47 #include <unistd.h> 48 49 #define rnum(r) (random()%r) 50 #define D0 dice[0] 51 #define D1 dice[1] 52 #define swap {D0 ^= D1; D1 ^= D0; D0 ^= D1; d0 = 1-d0;} 53 54 /* 55 * 56 * Some numerical conventions: 57 * 58 * Arrays have white's value in [0], red in [1]. 59 * Numeric values which are one color or the other use 60 * -1 for white, 1 for red. 61 * Hence, white will be negative values, red positive one. 62 * This makes a lot of sense since white is going in decending 63 * order around the board, and red is ascending. 64 * 65 */ 66 67 char EXEC[]; /* object for main program */ 68 char TEACH[]; /* object for tutorial program */ 69 70 int pnum; /* color of player: 71 -1 = white 72 1 = red 73 0 = both 74 2 = not yet init'ed */ 75 char args[100]; /* args passed to teachgammon and back */ 76 int acnt; /* length of args */ 77 int aflag; /* flag to ask for rules or instructions */ 78 int bflag; /* flag for automatic board printing */ 79 int cflag; /* case conversion flag */ 80 int hflag; /* flag for cleaning screen */ 81 int mflag; /* backgammon flag */ 82 int raflag; /* 'roll again' flag for recovered game */ 83 int rflag; /* recovered game flag */ 84 int tflag; /* cursor addressing flag */ 85 int rfl; /* saved value of rflag */ 86 int iroll; /* special flag for inputting rolls */ 87 int board[26]; /* board: negative values are white, 88 positive are red */ 89 int dice[2]; /* value of dice */ 90 int mvlim; /* 'move limit': max. number of moves */ 91 int mvl; /* working copy of mvlim */ 92 int p[5]; /* starting position of moves */ 93 int g[5]; /* ending position of moves (goals) */ 94 int h[4]; /* flag for each move if a man was hit */ 95 int cturn; /* whose turn it currently is: 96 -1 = white 97 1 = red 98 0 = just quitted 99 -2 = white just lost 100 2 = red just lost */ 101 int d0; /* flag if dice have been reversed from 102 original position */ 103 int table[6][6]; /* odds table for possible rolls */ 104 int rscore; /* red's score */ 105 int wscore; /* white's score */ 106 int gvalue; /* value of game (64 max.) */ 107 int dlast; /* who doubled last (0 = neither) */ 108 int bar; /* position of bar for current player */ 109 int home; /* position of home for current player */ 110 int off[2]; /* number of men off board */ 111 int *offptr; /* pointer to off for current player */ 112 int *offopp; /* pointer to off for opponent */ 113 int in[2]; /* number of men in inner table */ 114 int *inptr; /* pointer to in for current player */ 115 int *inopp; /* pointer to in for opponent */ 116 117 int ncin; /* number of characters in cin */ 118 char cin[100]; /* input line of current move 119 (used for reconstructing input after 120 a backspace) */ 121 122 char *color[]; 123 /* colors as strings */ 124 char **colorptr; /* color of current player */ 125 char **Colorptr; /* color of current player, capitalized */ 126 int colen; /* length of color of current player */ 127 128 struct termios old, noech, raw;/* original tty status */ 129 130 int curr; /* row position of cursor */ 131 int curc; /* column position of cursor */ 132 int begscr; /* 'beginning' of screen 133 (not including board) */ 134 135 void addbuf __P((int)); 136 void backone __P((int)); 137 void bsect __P((int, int, int, int)); 138 void buflush __P((void)); 139 int canhit __P((int, int)); 140 int checkd __P((int)); 141 int checkmove __P((int)); 142 void clear __P((void)); 143 void clend __P((void)); 144 void cline __P((void)); 145 int count __P((void)); 146 void curmove __P((int, int)); 147 int dotable __P((char, int)); 148 void errexit __P((const char *)); 149 void fancyc __P((int)); 150 void fboard __P((void)); 151 void fixcol __P((int, int, int, int, int)); 152 void fixpos __P((int, int, int, int, int)); 153 void fixtty __P((struct termios *)); 154 void getarg __P((char ***)); 155 int getcaps __P((char *)); 156 void getmove __P((void)); 157 void getout __P((int)); 158 void gwrite __P((void)); 159 void init __P((void)); 160 int last __P((void)); 161 int main __P((int, char *[])); 162 int makmove __P((int)); 163 int movallow __P((void)); 164 void movback __P((int)); 165 void moverr __P((int)); 166 int movokay __P((int)); 167 void newline __P((void)); 168 void newpos __P((void)); 169 void nexturn __P((void)); 170 void norec __P((char *)); 171 void odds __P((int, int, int)); 172 void proll __P((void)); 173 int quit __P((void)); 174 int readc __P((void)); 175 void recover __P((char *)); 176 void refresh __P((void)); 177 void roll __P((void)); 178 int rsetbrd __P((void)); 179 void save __P((int)); 180 void strset __P((char *, char *)); 181 int text __P((char **)); 182 void tos __P((void)); 183 void wrboard __P((void)); 184 void wrbsub __P((void)); 185 void wrhit __P((int)); 186 void wrint __P((int)); 187 void writec __P((char)); 188 void writel __P((char *)); 189 void wrscore __P((void)); 190 int yorn __P((char)); 191
Indexes created Mon Sep 29 21:09:56 GMT 2025